Home / 13,172.94-19,759.31-5,376.29

Finding the Fourth Proportional to 13,172.94, 19,759.31 and 5,376.29

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Solution

The fourth proportional to 13,172.94, 19,759.31 and 5,376.29 is: 8,064.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,172.94 : 19,759.31 = 5,376.29 : x
  2. Step 2: Convert to fraction form
    13,172.94/19,759.31 = 5,376.29/x
  3. Step 3: Cross multiply
    13,172.94x = 19,759.31 × 5,376.29
  4. Step 4: Simplify right side
    13,172.94x = 106,231,675.24
  5. Step 5: Solve for x
    x = 106,231,675.24/13,172.94
  6. Step 6: Final answer
    x = 8,064.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.